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Issue 44, 2011
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Dinuclear silver(I) complexes for the design of metal–ligand networks based on triazolopyrimidines

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Abstract

Silver(I) coordination complexes with the versatile and biomimetic ligands 1,2,4-triazolo[1,5-a]pyrimidine (tp), 5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine (dmtp) and 7-amine-1,2,4-triazolo[1,5-a]pyrimidine (7atp) all feature dinuclear [Ag2(μ-tp)2]2+ building units (where tp is a triazolopyrimidine derivative), which are the preferred motif, independently of the counter-anion used. According to AIM (atoms in molecules) and ELF (electron localization function) analyses, this fact is due to the great stability of these dinuclear species. The complexes structures range from the dinuclear entities [Ag2(μ-tp)2(CH3CN)4](BF4)2 (1), [Ag2(μ-tp)2(CH3CN)4](ClO4)2 (2), [Ag2(μ-7atp)2](ClO4)2 (3) and [Ag2(μ-dmtp)2(CH3CN)](PF6)(ClO4) (4) over the 1D polymer chain [Ag2(μ-CF3SO3)2(μ-dmtp)2]n (5) to the 3D net {[Ag23-tp)2](PF6)2· ∼6H2O}n (6) with NbO topology.

Graphical abstract: Dinuclear silver(i) complexes for the design of metal–ligand networks based on triazolopyrimidines

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Publication details

The article was received on 08 Apr 2011, accepted on 04 Aug 2011 and first published on 05 Oct 2011


Article type: Paper
DOI: 10.1039/C1DT10603A
Citation: Dalton Trans., 2011,40, 11845-11855
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    Dinuclear silver(I) complexes for the design of metal–ligand networks based on triazolopyrimidines

    A. B. Caballero, J. K. Maclaren, A. Rodríguez-Diéguez, I. Vidal, J. A. Dobado, J. M. Salas and C. Janiak, Dalton Trans., 2011, 40, 11845
    DOI: 10.1039/C1DT10603A

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